UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NmO3dS26KBp3yFNyQxEFCnMer7oShn8NQLvkVyPGysQ=' 
WHERE 
  key_id = 'ecd8c6495586d7a86cfa245cad3b5484ff0d9ec350e9b2b1dcd8286a207cb0a1' 
  AND (
    token = 'NmO3dS26KBp3yFNyQxEFCnMer7oShn8NQLvkVyPGysQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )