UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DxRCLq5bAf8jdfqbIXQKZoKrCPEvzkZOv71DQ4+84s0=' 
WHERE 
  key_id = '1c6b550bf3eb15ae0de7b7b313fc50f90b5163c99385a8237c9f360acd88af19' 
  AND (
    token = 'DxRCLq5bAf8jdfqbIXQKZoKrCPEvzkZOv71DQ4+84s0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )