UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uh2zRbGOQsQv9cExLTWTBLRgrlS8M9zCb7rrgYpaaek=' 
WHERE 
  key_id = '715924ddcc169a33ce898766c1fab837066c6cef850a7b2b3f07914d17357197' 
  AND (
    token = 'uh2zRbGOQsQv9cExLTWTBLRgrlS8M9zCb7rrgYpaaek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )