UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U2uQXP8iDKAGiolGjjZgYCXUsJa7KjbiAbhpjqqu8xA=' 
WHERE 
  key_id = 'e6b14d5882664e758cb43455aefae2af7ffc951afad13865bf6602cbc50abd0b' 
  AND (
    token = 'U2uQXP8iDKAGiolGjjZgYCXUsJa7KjbiAbhpjqqu8xA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )