UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OR9r5K2eSYsY44KPj1pb3QqwHJ34XB5TnP69irMUHOY=' 
WHERE 
  key_id = '68d87878b7c684b9885ba1d59d000c2c644fb938825399d899c3602a2fcd874e' 
  AND (
    token = 'OR9r5K2eSYsY44KPj1pb3QqwHJ34XB5TnP69irMUHOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )