INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b391291f5e6d65be70563dec9fbfa6cefc8cee24fdd07b69c339bc5382238559', 
    '88+JK+JcK5vnL2Y9jraRXZlzONJrDY06boI0S3yLXDE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)