INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3b7f1e78ec1c1e6843d374f2be81e247d8505563a3e2000e74ff93de61b36cd', 
    'IprXbY4q8Lt4zOoqNSViNsK+QmWtxp+IqFtud/uL2ig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)