UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wLn+ov/sz2xO4IeUdUl8xbD5b7+6eAoPBuA2G1vuNL0=' 
WHERE 
  key_id = 'e07be82dc4cc3e8a0a93093d52d8ba976dad2d9913bb0e7aa89892a7361cbc7f' 
  AND (
    token = 'wLn+ov/sz2xO4IeUdUl8xbD5b7+6eAoPBuA2G1vuNL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052