Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e46835149061a401da0c322fb31a774c55ccd30362148a44ddcb99bc6d03c3ea' 
  AND token = 'HjBeNWj8KX2i0Z3jM7S2NuEzDiQn7e4VcwL0EbnhzLw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}