UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7o4+202r0uT+dOSZZB7F4hT3LLPaZcU8TLmTWdCthos=' 
WHERE 
  key_id = '5434b534ea3c7282709160d4895cc2033a2807727928b0b0c2e572abe5a879cb' 
  AND (
    token = '7o4+202r0uT+dOSZZB7F4hT3LLPaZcU8TLmTWdCthos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033