UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'jk/u1ro5wOoog0l+rbuv0QTfH3MSd+eEQC+RBcqdXD8=' 
WHERE 
  key_id = 'b2b8f7bcd669884ce11c1be8f391f2a57e9d89a1ea09544290539db3a77cdce5' 
  AND (
    token = 'jk/u1ro5wOoog0l+rbuv0QTfH3MSd+eEQC+RBcqdXD8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )