UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mz2w0YD3ZywH9IROzbanhP9mMWJ+n34DqeeP9mw5aG4=' 
WHERE 
  key_id = 'f126f168279de1fc9b41401892e2946687691e09894c67b1b3a7443b47a252f7' 
  AND (
    token = 'mz2w0YD3ZywH9IROzbanhP9mMWJ+n34DqeeP9mw5aG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )