UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '/zGk+rPTTXRcZX3K8uXuXnTa6ye6pobBigfAFi1AgP4=' 
WHERE 
  key_id = '9766d7c375d251b798ca8339e02a06cdb1371f99f3a71192bbba431cc5e7b0ea' 
  AND (
    token = '/zGk+rPTTXRcZX3K8uXuXnTa6ye6pobBigfAFi1AgP4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )