UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TiR81VefqPtMdcnAL/YKwpyptINBtiTpnqUPDQkqIhg=' 
WHERE 
  key_id = '18b5deb4720d8545fc2927a13ccdf632e064e86c417a7738b3b0fb73067220d6' 
  AND (
    token = 'TiR81VefqPtMdcnAL/YKwpyptINBtiTpnqUPDQkqIhg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )