UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z4wt0W1ELZbAJcvv52phPjJCMRq5MkONLyW9RBSzMMg=' 
WHERE 
  key_id = '8cd1f7a8b63bd43173be6fe1e0efd01481de2f705c359b118fa010c6bb9809f0' 
  AND (
    token = 'z4wt0W1ELZbAJcvv52phPjJCMRq5MkONLyW9RBSzMMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )