UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '28i3GTw7ZlDgElDnsT4ixoq3fRktHNnVm4TTwGSJ4is=' 
WHERE 
  key_id = '7d3a047ba76a0b33f7b96399c51436c3dfe16579683d1018069bfaca35087ce1' 
  AND (
    token = '28i3GTw7ZlDgElDnsT4ixoq3fRktHNnVm4TTwGSJ4is=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )