UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GE76gjKNszfatWZDdfgzOLwlYhwkwRygHzdMUE5VC8I=' 
WHERE 
  key_id = '8f4249b078f6e370820fe4947af60d68884c2f53587585025f2a91f9a95f6bb5' 
  AND (
    token = 'GE76gjKNszfatWZDdfgzOLwlYhwkwRygHzdMUE5VC8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )