INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d7fc956ddea3de402fb1a849f327d78ab295234705a35367e1d4c57dbd7a1b6', 
    'R7EMcBJTpk0gvbaWHbUm6lj6hc5kYMRd947Q0h4eSKo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)