UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rcm42vWZqLJeSu0K4KT3WVkb95/ahN2G+MxkuTgFTdc=' 
WHERE 
  key_id = '2f0d3ad0870a6bc27cd226331b6286e6861c3fb85e297b90c834cd576e92bcd5' 
  AND (
    token = 'Rcm42vWZqLJeSu0K4KT3WVkb95/ahN2G+MxkuTgFTdc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )