UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLeVhRTOqEb9N6O7NfEWLqJM8BiB69bJDxCtK80qsa0=' 
WHERE 
  key_id = '4bc94ee00fa74b32891514e7c2be2cd31270dbe340d113a29af1b11d938aafc2' 
  AND (
    token = 'KLeVhRTOqEb9N6O7NfEWLqJM8BiB69bJDxCtK80qsa0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )