UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4KNJDYGyPImWEJ21Oci6vKL2ilBt75vbcIwsc6QIDGs=' 
WHERE 
  key_id = '20f4c06595d6cca822b392a3cf93ddd563789ff76ed34448fd497d14df36f442' 
  AND (
    token = '4KNJDYGyPImWEJ21Oci6vKL2ilBt75vbcIwsc6QIDGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )