UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WBc0IAsLTLuutdRdsv0sZqcCVZGfNO2mt+M/Sb9fzkY=' 
WHERE 
  key_id = '64a5b3ecaaf5067a2f35352b6cdce9e848b3f8281c798b827297fa28ba103ba1' 
  AND (
    token = 'WBc0IAsLTLuutdRdsv0sZqcCVZGfNO2mt+M/Sb9fzkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034